<template>
  <el-menu
    router
    :default-active="activeIndex"
    mode="horizontal"
    @select="handleSelect"
    background-color="#545c64"
    text-color="#fff"
    active-text-color="#ffd04b">
    <el-menu-item index="/home">首页</el-menu-item>
    <el-submenu index="2">
      <template slot="title">我的工作台</template>
      <el-menu-item index="2-1">选项1</el-menu-item>
      <el-menu-item index="2-2">选项2</el-menu-item>
      <el-menu-item index="2-3">选项3</el-menu-item>
      <el-submenu index="2-4">
        <template slot="title">选项4</template>
        <el-menu-item index="2-4-1">选项1</el-menu-item>
        <el-menu-item index="2-4-2">选项2</el-menu-item>
        <el-menu-item index="2-4-3">选项3</el-menu-item>
      </el-submenu>
    </el-submenu>
    <el-menu-item index="3" disabled>消息中心</el-menu-item>
    <el-menu-item index="/elementui/bases/layouts/index">element-ui</el-menu-item>
    <el-menu-item index="/vue/configs/index">
      全局配置
    </el-menu-item>

    <el-menu-item index="/product/table">产品管理</el-menu-item>
  </el-menu>
</template>

<script>
  export default {
    data() {
      return {
        activeIndex: '/',
      };
    },
    mounted() {
      if (this.$route.matched.length > 1) {
        this.activeIndex = this.$route.matched[this.$route.matched.length - 2].path
      } else {
        this.activeIndex = this.$route.path;
      }
    },
    methods: {
      handleSelect(key, keyPath, cmp) {

      }
    }
  }
</script>

<style scoped>
  .el-menu-item.is-active {
    background-color: rgb(67, 74, 80) !important;
  }
</style>
